DOUBLE-SPEED HAND DRIVE OF PIPELINE VALVES

摘要

FIELD: machine building. ^ SUBSTANCE: planetary gear is arranged in housing with rotating cover. One flywheel is rigidly fixed on the housing cover. The other flywheel is rigidly fixed on outlet shaft of planetary gear. Outlet shaft of planetary gear is interconnected with actuator of shutoff member. Cover of the housing is interconnected with outlet shaft of planetary gear through planetary gear, and that connection is constantly closed. ^ EFFECT: drive has simple design and high operating reliability. ^ 3 cl, 2 dwg